f2618fc luci: Add support for the postgres-8 startup_wait attr

Authored and Committed by rmccabe 9 years ago
    luci: Add support for the postgres-8 startup_wait attr
    
    Add support for the newly added startup_wait attribute for the
    postgres-8 resource.
    
    Resolves: rhbz#1117398
    Signed-off-by: Ryan McCabe <rmccabe@redhat.com>